How long did the roman cilvlation last?

The Roman civilization traditionally dates from the founding of Rome in 753 BCE to the fall of the Western Roman Empire in 476 CE, lasting approximately 1,200 years. However, if one includes the Eastern Roman Empire, or Byzantine Empire, which continued until 1453 CE, the overall span of Roman influence extends over 2,200 years. The civilization underwent significant transformations throughout this period, including the transition from Republic to Empire.